Keith DupuisLicensed
| License number | 03643 |
| License type | Septic System Installer |
| License status | Active, NH DES Designer/Installer roster |
| Based in | Jaffrey, Cheshire County, New Hampshire 03452 |
"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.
What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #03643 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: NH DES - Septic System Designers & Installers, last checked 2026-08-16. Verify at the official source.
Compare licensed contractors based in Jaffrey
Other septic contractors based in Jaffrey
Walker DeschenesLicensed
Septic System Installation
Michael FinleyLicensed
Septic System Installation ยท Septic System Design
Other licensed septic contractors based in Cheshire County
Jamison Van DykeLicensed
Septic System Installation
Mike EdwardsLicensed
Septic System Installation
Joel KinsonLicensed
Septic System Installation
Charles WalkerLicensed
Septic System Installation
Jon BuschbaumLicensed
Septic System Design
See every listing based in Cheshire County or in Jaffrey.